Simple Filters Commands In Linux

Filters are commands which accept data from standard input, manupulate it

and write the results to standard output.

Head -displays the lines at the top of the file

     -when used without any option it will display first 10 lines of the file

    usage:  head filename

    -n -> print  the first N lines instead of the first 10

tail - displays the lines at the end of the file. By default it will display last 10

lines of the file

usage: tail filename 

Simple Filters Commands In Linux